Diffusion tensor image denoising via geometric invariant nonlocal means on the tensor manifold.
Xiangyuan LiuZhongke WuXingce WangPublished in: Multim. Tools Appl. (2023)
Keyphrases
- diffusion tensor
- nonlocal means
- image denoising
- symmetric positive definite
- anisotropic diffusion
- partial differential equations
- riemannian metric
- denoising
- magnetic resonance images
- denoising algorithm
- dt mri
- noisy images
- natural images
- tensor field
- geometric structure
- total variation
- white matter
- denoising methods
- diffusion tensor imaging
- image processing
- wavelet domain
- nonlinear diffusion
- wavelet coefficients
- fiber bundles
- noise removal
- riemannian manifolds
- medical images
- object recognition
- high order
- parameter selection
- mr images
- gaussian noise
- energy functional
- frequency domain
- point correspondences
- multiscale
- high quality